| 000 | 00995nam a2200241 a 4500 | ||
|---|---|---|---|
| 005 | 20210219160112.0 | ||
| 008 | 080801s1972 mx r 000 0 spa d | ||
| 035 | _aUPN01000158671 | ||
| 049 | _aUNE | ||
| 080 | _a577.472 (7/8) =20 ECO No.12. | ||
| 245 | 0 | 0 |
_aEcology of water weeds in the neotropics : _bAn ecological survey of the aquaticweeds Eichhornia Crassipedes and Salvinia species, and their natural enemies in the neotropics / _cby D. S. Mitchell; P.A. Thomas. |
| 260 |
_aParís : _bUNESCO, _c1972. |
||
| 300 |
_a50 p. : _bil. |
||
| 440 | 0 |
_aTechnical papers in hydrology ; _v12 |
|
| 690 | _aHidrobiologia - Medio ambiente acuatico - Zonas tropicales | ||
| 690 | _aEcologia - Especies - Medio ambiente natural - America Latina | ||
| 690 | _aAmerica Latina - Hidrobiologia - Ecologia - Plantas acuaticas | ||
| 700 | 1 |
_aMitchell, D. S., _ecoaut. |
|
| 700 | 1 |
_aThomas, P. A., _ecoaut. |
|
| 710 | 2 | _aUNESCO | |
| 710 | 2 | _aInternational Hydrological Decade. (IHD | |
| 905 | _aUNESCO | ||
| 999 |
_c130785 _d130785 |
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